This specific model is designed for a pressure range of 0 to 125 PSI

ensuring seamless integration and optimal system performance in wall-mounted HVAC equipment

Safe Combustion: Critical for expelling hazardous combustion gases and ensuring the pressure switch closes for a successful ignition sequence

it delivers the consistent torque required for proportional damper control

Utica-Dunkirk 27739 Relay 321894-709 This specific model is designedThe Utica Dunkirk 27739 Relay is a heavy duty, single pole single throw (SPST) switching component engineered for precision control in residential and commercial boiler systems. Designed as a direct replacement part for ECR International equipment, including various DXL Series II cast iron gas fired boilers, this SPST switching relay ensures high reliability interfacing between low voltage thermostats and line voltage components like circulator pumps